Energy label

The energy efficiency of the appliance is rated in terms of a set of energy efficiency classes from A to G on the label, A being the most energy efficient, G the least efficient. New labels go from A++ to E.

On every label (on the box) of light bulbs and tubes (including incandescent light bulbs, fluorescent lamps, LED lamps), you will find:

The energy efficiency category from A to G

The luminous flux of the bulb in lumens

The electricity consumption of the lamp in watts

The average life length in hours

Average Lifetime (h)

20000

Technical Information

Technology

Fluorescent

Wattage

50

Dimmable

Yes, with dimmable ballast only

Socket

G13

Light Colour

3000K (Warm White)

Light Colour

Very Warm white light 2700 Kelvin (K)

Most used in: Home & Restaurants

Warm white light 3000 Kelvin (K)

Most used in: Showrooms & Retail

Cool white light 4000 Kelvin (K)

Most used in: Offices & Hospitals

Daylight 6500 Kelvin (K)

Most used in: Offices & Warehouses

Colour Code

830

Colour Code

Colour Rendering Index

The first digit in the international color code stands for the colour rendering index:

8 = CRI Ra 80-89
9= CRI Ra 90-100

Colour Temperature

The next digits in the international colour code stand for the colour temperature.

27 = 2700 Kelvin
40 = 4000 Kelvin

Color Rendering (Ra)

80-89

Colour Rendering Index (CRI) - Ra

CRI is 50 Ra

CRI is 70 Ra

CRI is 90 Ra

Colour Rendering Index (CRI) is a general indicator of how “natural” object colours will appear when illuminated by a particular light source. Every colour temperature (Kelvin) can have the ideal value of Ra 100. This means that the colours are rendered in the typical manner for this temperature. This is not always satisfactory, however. For example an incandescent lamp (2700K) may render blue tones only in a subdued manner, despite an CRI of 99. If fine distinctions are required for blue tones a light colour with a higher colour temperature needs to be selected.

Light Output (Lumen)

5000

Wattage VS Luminous Flux

LUMEN

INCANDESCENT

LED

CFL

HALOGEN

200 - 300 Lm

25 Watt

2 Watt

5 Watt

20 Watt

300 - 500 Lm

40 Watt

6 Watt

7 Watt

28 Watt

500 - 800 Lm

60 Watt

9 Watt

12 Watt

42 Watt

700 - 1000 Lm

75 Watt

10 Watt

14 Watt

53 Watt

> 1000 Lm

100 Watt

>15 Watt

>16 Watt

>70 Watt

Luminous flux (in lumens) is a measure of the total amount of light a lamp puts out. Wattage is the amount of watt a bulb uses in 1 hour.
We've long identified bulbs by their wattage, but that is actually a measure of electricity, not the brightness of a bulb. The amount of light a bulb generates is measured in lumens. An incandescent 60-watt bulb, for example, gives off 750 lumens of light and LED bulbs can deliver the same amount of light using as little as 9 Watt!
The amount of Lumen divided by the wattage will show you which lamps are most energy efficient.

Description Philips MASTER TL-D HF Super 80 50W 830 - 150cm

Philips TL-D HF Super 80 50W 830 - 150cm specifications

Philips TL-D HF Super 80 are the first generation of low-pressure mercury vapor lamps. The lamps have a 26 mm diameter and are filled with argon. These lamps have the distinction of having a stronger, more constant luminous flux. Each fluorescent tube of the range has a G13 base type. Philips TL-D HF Super 80 50W 830 - 150cm lamps have a size of 150 cm.

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